n = int(input("请输入乘法表的阶数（1-9）："))

if 1 <= n <= 9:
    for i in range(1, n+1):
        for j in range(1, i+1):
            print(f"{j}×{i}={i*j}", end="\t")
        print()
else:
    print("请输入1-9之间的整数！")
